Checklist

Systems general

• what is the function/purpose of this item?
• is it necessary?
• is the size right?
• is the material right?
• is the fitting of adequate strength?
• can it be fitted easily?
• where should it be manufactured?
• where should it be fitted?
• are the terminal points adequately defined?
• what is the maintenance and repair required?
• should it be maintained on board?
• is there adequate access for maintenance?
• should it be removed for replacement?
• can the unit be taken out for replacement?
• what spares are required?

Propulsion

• engine brand and type
• gearbox brand and type
• thrust bearing brand and type
• shaft inner bearing brand and type
• shaft tube OD
• minimum distance between forward shaft tube bearing and thrusterbearing is shaft diameter -9 x 20 (Exalto)

Cut outs

• doors brand and type
• portholes brand and type
• windows brand and type
• hatches brand and type
• bow thruster brand and type
• stern thruster brand and type
• rudder tube OD
• anchor arrangement
• ventilation engine room
• gas locker
• deck fills:
  • fuel fill
  • fresh water fill
  • waste water suction
• scuppers
• freeing ports